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Scale manual testing across markets, instantly.

Testlio’s crowdsourced manual testing solution gives you on-demand access to real, vetted testers across platforms, regions, and languages. Close critical coverage gaps fast, uncover issues before your users do, and ship with confidence in every market you serve.

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Find real-world issues before your users do

Testlio adds real expert testers everywhere your internal team needs support. Test with devices your users care about, launch in new markets, and cover critical customer journeys with ease.

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600k+
Devices
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800+
Payment methods
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150+
Countries
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100+
Languages
See how our crowdsourced testing model works

Tailored to your product and risk profile

We apply the right manual testing approach based on where your product is in its lifecycle, what’s changing, and what’s at stake. Whether it’s stabilizing a build, validating a new feature, or surfacing unknown risks, our testing adapts to the speed and complexity of your release.

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Smoke testing

Targeted test passes focused on build health and critical functionality. We run smoke tests early and often to detect blocker-level failures before they impact downstream QA or release timelines.
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Exploratory testing

Our testers operate with product context, guided missions, and known risk areas. This method is ideal for new features, evolving flows, or uncovering hidden issues when documentation is thin and velocity is high.
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Scripted testing

We execute step-by-step flows where precision and repeatability are crucial, such as regressions, regulated user journeys, or revenue-critical paths. These tests are tightly scoped and refined over time.
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Issue validation

Our team delivers reproducible, actionable, and triaged issues directly into your engineering management systems so your team can focus on higher priority tasks. You get better reports, more P1 bugs fixed, and happier customers.
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Manual testers who understand your product and users

Testlio isn’t a gig-based crowdsourced testing platform. We build consistent test teams made up of vetted professionals with the right devices, product context, and domain experience. You get testers who ramp quickly, stay engaged, and deliver high-signal results you can trust.

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Extensive coverage modern releases demand

Our community supports 20 types of testing, including functional, usability, payments, localization, accessibility, performance, and AI testing. From deep regression coverage to rapid release validation, we align every test suite to your product architecture, timelines, and goals.

See what we can test
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For teams who ship fast and test smart

Testlio’s Platform, powered by LeoAI Engine™, integrates with your QA workflows, making it easy to source the right testers, run manual test cycles, and track results in one place. You get real-time visibility into tester activity, coverage, and issue reporting. With built-in AI and integrations like Jira and TestRail, your team can move quickly without losing control.

Explore the Testlio Platform

Experience the best of crowdsourced manual testing

When you partner with Testlio, you get the flexibility of crowdsourcing with the confidence of a managed solution. We bring together human insight, operational rigor, and around-the-clock execution.

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End-to-end management

We handle everything from sourcing testers to managing execution. Your team stays focused on bigger challenges while we manage testing.

Built-in QA leadership

A dedicated client team drives your testing strategy, keeps workflows aligned, and ensures every cycle supports your business goals.
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Agile and scalable

As your product evolves, so does our support. We expand test coverage, handle complexity, and flex resources based on your roadmap.
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Test on your schedule

With a global community, we provide fast feedback and full-cycle coverage, day or night, wherever your users are and across timezones.

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Enterprise-level security

We are ISO/IEC 27001:2022 certified and follow rigorous protocols to protect your data and maintain compliance across every engagement.
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Proven across industries

Trusted by leaders at PayPal, Microsoft, Uber, the NBA, and more, our experience spans the demands of finance, media, retail, and healthcare.
Discover why we are different

Case studies and resources

Blog
A network diagram shows diverse profile headshots globally connected by white lines to a central Testlio logo over a dotted map, set against a blue background.

Rethinking Crowdsourced Testing: Why Leaders Are Leaving the Gig Model Behind

If you are building or scaling digital products, chances are your QA process already includes gig testers. You post a task, someone across the globe picks it up, files a bug, and moves on.

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Blog
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Human-in-the-Loop at Scale: The Real Test of Responsible AI

AI failures rarely look like crashes. More often, they appear as confident but incorrect answers, subtle bias, or culturally inappropriate responses.

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Webinar
A webinar promotional graphic featuring headshots of two speakers in circular frames: Summer Weisberg (COO and Interim CEO, Testlio) and Deepti Shoemaker (Director of Quality Engineering, Paramount). The Testlio and Paramount+ logos are centered at the bottom against a solid blue background.

Inside Paramount’s Secret to Bulletproof Streaming Analytics

Join Deepti Shoemaker, Paramount’s Director of Quality Engineering, as she sits down with Testlio’s CEO, Summer Weisberg, to share how her team scales analytics testing to protect advertiser trust, drive business growth, and deliver uninterrupted streaming experiences to over 79 million subscribers.
Watch on demand

Ready to make manual testing faster, smarter, and easier to scale?

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Frequently asked questions

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How is Testlio’s manual testing different from other crowdsourced QA providers?

We operate a managed crowdsourced model, not a gig platform. Our testers are vetted professionals matched to your product, domain, and tech stack. You get consistent test teams who understand your product and deliver high-quality, reproducible results.

How quickly can we start manual testing with Testlio?

Timelines depend on the complexity of your product, required coverage, and onboarding needs. We involve our delivery team early to define scope, align on architecture, and get your test team operational as quickly as possible.

Do you integrate with our QA workflows and tools?

Yes. Our platform integrates with tools like Jira and TestRail, giving you real-time visibility into test progress, coverage, and issue reporting without changing how your team works.

Can you test in specific countries, languages, and environments?

Yes. Our community spans 150+ countries and 100+ languages, with access to 600k+ devices and 800+ payment methods. We replicate your customers’ real-world conditions to find issues before they do.

How do you select testers for my product?

We match testers based on domain expertise, device coverage, market familiarity, and language skills. Your test team may include consistent testers for product familiarity alongside fresh testers for new perspectives.

Do you cover more than functional testing?

Yes. We support 20 types of testing, including usability, payments, localization, accessibility, performance, and AI testing. This allows you to centralize diverse testing needs in a single managed engagement.

What does your pricing model look like?

Pricing is based on test type, complexity, and service level. There are no per-seat licenses. You pay for structured execution, vetted testers, platform access, and ongoing client services.

How do you use AI in manual testing?

We use AI to optimize test case creation, identify coverage gaps, and speed up reporting. AI works alongside human testers to improve efficiency without compromising on quality or context.

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